Principal 5G Core & EPC Network Architect

Packet Core Network SME/ Engineer

Brampton - Hybrid (2-3 days from Office)

1. Architecture & Solution Design

• Lead the design and integration of packet core network elements, including:

o 5G Core (5GC): AMF, SMF, UPF

o 4G EPC: MME, SGW, PGW, HSS, ePDG

• Create and maintain high quality architecture documentation such as HLD, LLD, IP flow diagrams, Method of Procedures (MOPs), Test Plans, ATP, and TOLs.

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2. Integration, Testing & Validation

• Conduct integration and end to end validation testing for core network components.

• Ensure solutions align with 3GPP standards, vendor specifications, and performance benchmarks.

• Perform regression testing and support feature enablement across multi vendor environments.

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3. Operations & Support

• Support daily network operations, including monitoring, troubleshooting, fault management, and KPI tracking.

• Handle escalations related to packet core performance, session failures, and interface issues.

• Assist NOC/operations teams with incident resolution and network stability improvements.

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4. Automation, Cloud & Lifecycle Management

• Drive automation initiatives using cloud native and virtualization technologies, such as:

o Kubernetes, Docker

o CNF/VNF lifecycle management

o CI/CD tooling

• Support lifecycle upgrade planning, version management, and continuous improvement initiatives.

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5. Performance Optimization

• Analyze network behavior to optimize latency, throughput, resiliency, and scalability.

• Tune core functions, interfaces (SBI, N2/N3), and data path performance.

• Recommend improvements to architecture, configuration, or resource allocation.

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6. Technical Leadership & Collaboration

• Provide technical leadership across engineering teams, vendors, and internal stakeholders.

• Lead multi vendor solution discussions, interoperability testing, and architectural harmonization.

• Write and deliver high quality technical documentation including HLD/LLD, white papers, PoVs, and solution briefs—especially for private 5G and enterprise use cases.

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7. Innovation, R&D & Lab Enablement

• Collaborate with R&D or development teams to validate new features, demos, and emerging capabilities (e.g., AR/VR, IoT, MEC).

• Support lab setups for testing next gen technologies, proofs of concept, and performance evaluations.

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Required Skills & Qualifications

• Bachelor’s or Master’s degree in Telecommunications, Electrical Engineering, or Computer Science.

• 8+ years of telecom industry experience with strong exposure to 3G/4G/5G packet core technologies.

• Proven expertise with:

o 5G Core: AMF, SMF, UPF

o 4G EPC: MME, SGW, PGW, HSS, ePDG

• Strong understanding of:

o 3GPP protocols, call flows, and signaling

o Mobile core architecture, interfaces, and data plane/control plane functions

• Experience working in multi vendor environments and cloud native telecom deployments